diff --git a/examples/polymer-cli/package.json b/examples/polymer-cli/package.json
index d8b48fd89caa..8ffd935b3180 100644
--- a/examples/polymer-cli/package.json
+++ b/examples/polymer-cli/package.json
@@ -16,11 +16,11 @@
     "@storybook/addon-options": "3.4.0-rc.2",
     "@storybook/addon-storysource": "3.4.0-rc.2",
     "@storybook/addon-viewport": "3.4.0-rc.2",
-    "@storybook/polymer": "3.4.0-rc.2",
+    "@storybook/polymer": "4.0.0",
     "@webcomponents/webcomponentsjs": "^1.1.0",
     "global": "^4.3.2",
     "polymer-webpack-loader": "^2.0.2",
-    "webpack": "^3.11.0"
+    "webpack": "^4.0.0"
   },
   "devDependencies": {
     "babel-core": "^6.26.0",